Question

0.67 of 1 Point Question Help (2) 7.2 RA-1 Suppose X is a normal random variable with mean j = 45 and standard deviation o= 11. (a) Compute the Z-value corresponding to X = 28. (b) Suppose the area under the standard normal curve to the left of the z-value found in part (a) is 0.0611. What is the area under the normal curve to the left of X= 28? (c) What is the area under the normal curve to the right of X = 28? (a) z=0 (Round to two decimal places as needed.) 6 Enter your answer in the answer box and then click Check Answer. ? 2 parts remaining Clear All Check Answer

Answer 1

Xu N(45,1²) 19 Z-value: 28-45 -1.54s 1.34 11 (b) Anea unden Strudaud wounal cuime to the left I a value is 0.0611, Now area ruben hounal came to the left is also 0.0oll (6) auea under the coumal come a right of 1-0.064 20.9389 Xz28